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Question 94
H

A sonar transmitter is 4.0 m below the water surface. An echo from the seabed returns 0.080 s after a pulse is sent. The sound speed is 1500 m/s.

What is the depth of the seabed below the water surface?

[1]
A

64 m64\ \mathrm{m}64 m

B

56 m56\ \mathrm{m}56 m

C

120 m120\ \mathrm{m}120 m

D

124 m124\ \mathrm{m}124 m

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